<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .nav a {
      display: inline-block;
      text-decoration: none;
      width: 120px;
      height: 58px;
      background-color: pink;
      line-height: 48px;
      color: #ffffff;
      text-indent: 1.5em;
    }
    .nav .bg1 {
      background-image: url(./image/bg1.png);
    }
    .nav .bg1:hover {
      background-image: url(./image/bg11.png);
    }
  </style>
</head>
<body>
  <div class="nav">
    <a class="bg1" href="#">五彩导航</a>
    <a href="#">五彩导航</a>
    <a href="#">五彩导航</a>
    <a href="#">五彩导航</a>
    <a href="#">五彩导航</a>
  </div>
</body>
</html>